CN214582646U - Split-cavity water chamber jacket type ascending pipe heat exchanger - Google Patents
Split-cavity water chamber jacket type ascending pipe heat exchanger Download PDFInfo
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- CN214582646U CN214582646U CN202120443543.6U CN202120443543U CN214582646U CN 214582646 U CN214582646 U CN 214582646U CN 202120443543 U CN202120443543 U CN 202120443543U CN 214582646 U CN214582646 U CN 214582646U
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Abstract
The utility model discloses a divide cavate water chamber double-layered shell type tedge heat exchanger belongs to the tedge heat exchanger field. The utility model discloses a chambered water chamber jacket formula tedge heat exchanger, including inner tube, urceolus, still include the chambered jacket, establish the chambered jacket on the inner tube outer wall, set up the jacket baffle in the chambered jacket, divide the chambered jacket into a plurality of groups of perpendicular hydroecium passageways through the jacket baffle, change heat transfer medium into the components of a whole that can function independently inflow by whole inflow, break up the whole into parts with the pressurized unit, the jacket baffle integrated into one piece welds on the inner tube outer wall, be favorable to the abundant heat transfer of heat transfer medium, the effective heat transfer area of inner tube has been increased, heat exchange efficiency has been improved, the gas yield has been improved, adopt seamless design, prevent the crude gas that circulates in the interior section of urceolus of tedge and the heat transfer medium that circulates in the chambered jacket from revealing; through reasonable structural design, the pressure resistance is enhanced, the heat exchange efficiency is improved, the structure is simple, and the use is convenient.
Description
Technical Field
The utility model relates to a riser heat exchanger field, more specifically say, relate to a chambered water chamber double-layered shell type riser heat exchanger.
Background
The most main equipment for recovering the waste heat of the traditional raw gas is a riser heat exchanger, and the common structural forms of the existing riser heat exchanger comprise a jacket type and a coil type. The jacketed riser heat exchanger has the advantages of simple structure, convenience in manufacturing, direct heat exchange between the inner wall of the inner barrel and raw coke oven gas, high heat exchange efficiency, no time limit, long service life and the like, and is widely used. But the common jacketed structure directly bears the pressure of water vapor, has general bearing capacity, and is only suitable for producing low-pressure saturated vapor below 1.6MPa at ordinary times; when the superheated steam is produced, since the yield strength of the steel material is rapidly decreased at a temperature higher than 300 ℃ and the steel material is easily deformed by bulging even in a low-pressure state, it is not suitable for producing the superheated steam higher than 300 ℃. As the low-pressure saturated steam becomes excessive, there is an increasing demand for higher-quality steam such as medium-pressure steam and superheated steam. In order to meet the requirements of different users and improve the steam quality, a novel jacket type ascending pipe heat exchanger which is more temperature-resistant and pressure-resistant needs to be developed.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model aims to overcome current double-layered shell type tedge heat exchanger pressure-bearing capacity is poor, and the poor scheduling problem of high temperature resistant ability provides a chamber-divided water chamber double-layered shell type tedge heat exchanger, adopts the technical scheme of the utility model, including the outer wall of the barrel cover establish the chamber-divided cover, set up the clamp cover baffle in the chamber-divided cover, will divide the chamber to press from both sides the cover through pressing the cover baffle and separate into a plurality of perpendicular hydroecium passageways of group, separated into a plurality of little passageways with the rivers passageway, will press the unit to become zero, press from both sides the welding of cover baffle integrated into one piece on the inner tube outer wall, increased the effective heat transfer area of inner tube, improved the gas production rate, adopted foretell tedge heat exchanger design, through reasonable structural design, strengthened the pressure resistance, improved heat exchange efficiency.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model relates to a split-cavity water chamber jacket type ascending pipe heat exchanger, which comprises an inner cylinder and an outer cylinder, wherein the inner cylinder and the outer cylinder are hollow cylinders, the outer cylinder is sleeved outside the inner cylinder and also comprises a cavity-dividing jacket which is arranged between the inner cylinder and the outer cylinder in a surrounding way, the cavity-dividing jacket is composed of a plurality of vertical water chamber channels formed by a plurality of jacket clapboards on the outer wall of the inner cylinder in a separating way, each group of jacket clapboards are in a shape of a paper and are welded on the outer wall of the inner cylinder in an integrated forming way, the upper end of the cavity dividing jacket is provided with a steam water outlet cavity in a surrounding manner, the lower end of the cavity dividing jacket is provided with a water inlet cavity in a surrounding manner, each group of vertical water chamber channels are respectively communicated with the steam water outlet cavity and the water inlet cavity from top to bottom, one end of the steam-water outlet cavity is provided with a steam-water outlet, and one end of the water inlet oral cavity is provided with a water inlet.
Furthermore, the inner wall of the inner cylinder is provided with a nano coating which is resistant to high temperature and impact of crude gas flow.
Further, the outer cylinder is made of stainless steel material.
Furthermore, the outer wall of the jacket clapboard is provided with a nanometer heat insulation material.
Furthermore, a heat insulation material is filled between the jacket clapboard and the outer cylinder.
Furthermore, the steam outlet cavity is formed by an upper ring seal welded on the upper part of the inner cylinder and the upper part of the jacket clapboard, and the water inlet cavity is formed by a lower ring seal welded on the lower part of the inner cylinder and the lower part of the jacket clapboard.
Furthermore, an upper flange is arranged at the top of the outer cylinder, and a lower flange is arranged at the bottom of the outer cylinder.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a chambered hydroecium presss from both sides shell type tedge heat exchanger, including inner tube and urceolus, inner tube and urceolus are hollow section of thick bamboo, the urceolus cover is established in the outside of inner tube, still include the chamber of dividing and press from both sides the cover, divide the chamber to press from both sides the cover and encircle to set up between inner tube and urceolus, divide the chamber to press from both sides the cover and separate a plurality of perpendicular hydroecium passageway that forms by a plurality of clamp cover baffle on the inner tube outer wall and constitute, every group presss from both sides the cover baffle and all is "paper cutting" type and presss from both sides cover baffle integrated into one piece welding on the inner tube outer wall, divide the upper end that the chamber pressed from both sides the cover to encircle and is provided with the oral cavity of intaking, every group perpendicular hydroecium passageway switches on with soda outlet chamber and the oral cavity of intaking respectively from top to bottom, the one end in soda outlet chamber is equipped with the soda outlet, the one end in the oral cavity of intaking is equipped with the water inlet. Through the structure, the jacket partition plate divides the cavity jacket into a plurality of groups of vertical water chamber channels, the heat exchange medium is changed from the whole inflow into the split inflow, the stress of the heat exchange medium on the outer side wall of the inner cylinder is improved, the' vertical water chamber channel of the shape can ensure more uniform stress, the integral pressure resistance level of the ascending pipe heat exchanger is further improved, the jacket partition plate is uniformly and integrally welded on the outer side wall of the inner cylinder, the full heat exchange of the heat exchange medium is facilitated, the effective heat exchange area of the inner cylinder is increased, the heat exchange efficiency is improved, the gas production rate is improved, the upper end of the cavity jacket is provided with a steam outlet cavity in a surrounding manner, the lower end of the cavity jacket is provided with a water inlet oral cavity in a surrounding manner, only through a water inlet and a steam outlet, the heat exchange of the plurality of groups of vertical water chamber channels can be completed, the structure is simple, and the use is convenient.
(2) The utility model discloses a chambered water chamber jacket formula tedge heat exchanger is equipped with the high temperature resistant, resistant crude gas stream impact's nanometer coating on the inner tube inner wall, improves the high temperature resistant, resistant crude gas stream impact's of inner tube ability through the nanometer coating.
(3) The utility model discloses a chambered water chamber jacket formula tedge heat exchanger, urceolus are made by stainless steel material, through stainless steel material, alleviate the whole weight of tedge heat exchanger, prevent simultaneously that tedge heat exchanger urceolus from getting rusty, have improved the life of tedge heat exchanger.
(4) The utility model discloses a chamber-divided water chamber presss from both sides shell type tedge heat exchanger presss from both sides and is equipped with nanometer thermal insulation material on the cover baffle outer wall, reduces the ambient temperature around the tedge through nanometer thermal insulation material, and the slow heat reduction quantity outwards transmits.
(5) The utility model discloses a chambered water chamber presss from both sides shell type tedge heat exchanger still fills between cover baffle and the urceolus and has insulation material, further reduces through insulation material and the heat transfer medium heat after the heat transfer of inner tube outer wall disperses.
(6) The utility model discloses a chambered water chamber double-layered shell type tedge heat exchanger, soda outlet chamber are sealed by the welding on inner tube upper portion and the fitting with a contraceptive ring that presss from both sides cover baffle upper portion and are constituted, and the oral cavity of intaking is sealed by the welding in inner tube lower part and the lower ring that presss from both sides cover baffle lower part and is constituted. The sealing performance of the water inlet cavity and the steam water outlet cavity is guaranteed through the upper ring seal and the lower ring seal, and the structural integrity and reliability of the water inlet cavity and the steam water outlet cavity are enhanced.
(7) The utility model discloses a divide cavate water chamber jacket formula tedge heat exchanger, the flange is installed at the urceolus top, and the urceolus bottom is equipped with the lower flange, has guaranteed through upper flange and lower flange that the tedge heat exchanger has reliable upper and lower connection structure when installing.
Drawings
Fig. 1 is a sectional view of a jacketed riser heat exchanger for a chambered water chamber of the present invention;
fig. 2 is a cross-sectional view taken at a-a in fig. 1.
The reference numerals in the schematic drawings illustrate:
1. an inner barrel; 1-1, nano coating; 2. a cavity-divided jacket; 2-1, jacket partition board; 2-2, nano heat insulating material; 2-3, vertical water chamber channels; 3. a thermal insulation material; 4. an outer cylinder; 5. sealing the upper ring; 6. sealing a lower ring; 7. a steam outlet; 8. a water inlet; 9. an upper flange; 10. a lower flange; 11. a steam water outlet cavity; 12. and (5) feeding water into the oral cavity.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
[ examples ]
Referring to fig. 1 and 2, a split-cavity water chamber jacket type riser heat exchanger of the present embodiment includes an inner cylinder 1, an outer cylinder 4 and a split-cavity jacket 2, wherein the inner cylinder 1 and the outer cylinder 4 are hollow cylinders, the outer cylinder 4 is sleeved outside the inner cylinder 1, an annular jacket is formed between the inner cylinder 1 and the outer cylinder 4, the split-cavity jacket 2 is circumferentially disposed in the jacket between the inner cylinder 1 and the outer cylinder 4, the split-cavity jacket 2 is formed by a plurality of vertical water chamber channels 2-3 formed by dividing a plurality of jacket partition boards 2-1 on the outer wall of the inner cylinder 1, each set of jacket partition boards 2-1 is in a shape of "," "split" jacket partition boards 2-1 are integrally welded on the outer wall of the inner cylinder 1, the vertical water chamber channels 2-3 are independent from each other, the upper end of the split-cavity jacket 2 is circumferentially disposed with a steam outlet cavity 11, and the lower end of the split-cavity jacket 2 is circumferentially disposed with a water inlet cavity 12, each group of vertical water chamber channels 2-3 are communicated with a steam water outlet cavity 11 and a water inlet cavity 12 from top to bottom respectively, a steam water outlet 7 is arranged at one end of the steam water outlet cavity 11, and a water inlet 8 is arranged at one end of the water inlet cavity 12. The steam water outlet cavity 11 and the water inlet cavity 12 are both annular, the water inlet cavity 12 is used for enabling heat exchange media to be uniformly distributed at the bottom of the sub-cavity jacket 2 and enabling each vertical water chamber channel 2-3 to be uniformly distributed with water, and the steam water outlet cavity 11 is used for enabling the heat exchange media to be collected at the top of the sub-cavity jacket 2 and facilitating the collection and discharge of water vapor after heat exchange in the vertical water chamber channels 2-3. Specifically, the water inlet cavity 12 and the steam outlet cavity 11 are formed by seamless welding, so that the heat exchange medium circulating in the cavity-dividing jacket 2 is prevented from leaking. The heat exchange medium in this embodiment is preferably deoxygenated water, but is not limited to deoxygenated water, and may also be other types of high-quality heat exchange media.
In order to improve the high temperature resistance and the crude gas flow impact resistance of the inner cylinder 1, the inner wall of the inner cylinder 1 is provided with a high temperature resistant and crude gas flow impact resistant nano coating 1-1, the high temperature resistant nano coating 1-1 can adopt the existing coating material, and the high temperature resistance of the inner cylinder 1 can be improved, and meanwhile, graphite deposition and tar hanging can be prevented. In order to prevent the outer cylinder 4 of the rising pipe heat exchanger from rusting and to improve the service life of the rising pipe heat exchanger, the outer cylinder 4 is preferably made of a stainless steel material, and at the same time, the overall weight of the rising pipe heat exchanger is reduced. In order to reduce the ambient temperature around the riser and slow down the outward transfer of heat, the outer wall of the jacket partition plate 2-1 is provided with a nano heat insulating material 2-2. Further, in order to reduce heat dissipation of a heat exchange medium after heat exchange with the outer wall of the inner barrel 1, a heat insulation material 3 is filled between the jacket partition plate 2-1 and the outer barrel 4.
In order to ensure the tightness of the water inlet cavity 12 and the steam outlet cavity 11, the steam outlet cavity 11 is composed of an upper ring seal 5 welded on the upper part of the inner cylinder 1 and the upper part of the jacket clapboard 2-1, and the water inlet cavity 12 is composed of a lower ring seal 6 welded on the lower part of the inner cylinder 1 and the lower part of the jacket clapboard 2-1. The water inlet 8 extends into the outer barrel 4 and then is connected with the lower ring seal 6, so that the water inlet 8 is communicated with the water inlet cavity 12, and the steam water outlet 7 extends into the outer barrel 4 and then is connected with the upper ring seal 5, so that the steam water outlet 7 is communicated with the steam water outlet cavity 11.
In order to ensure that the riser heat exchanger has a reliable upper and lower connection structure when being installed, the top of the outer cylinder 4 is provided with an upper flange 9, and the bottom of the outer cylinder 4 is provided with a lower flange 10.
The utility model discloses 1 outer wall welding of inner tube of tedge heat exchanger presss from both sides cover baffle 2-1, whole big ring shape by whole water jacket formula with the rivers passageway, dozens of little passageways have been cut apart into, it is zero to break up the pressurized unit, be equivalent to increased the several in original jacket and supported, the atress condition of tedge heat exchanger has been improved, the ability that inner tube 1 bears pressure has been increased, stronger compressive capacity has, under equal pressure, can bear higher temperature, under the same temperature, can bear higher pressure, the condition has been created for realizing production middling pressure saturated steam and superheated steam. Because each vertical water chamber channel 2-3 is independent, the flow of each channel can not interfere with each other, and the flow guiding effect is achieved. The welded cavity-dividing jacket 2 and the inner cylinder 1 form a whole, and as the cavity-dividing jacket 2 is directly connected with the inner cylinder 1, and each jacket clapboard 2-1 has the function similar to a fin, the effective heat exchange area of the inner cylinder 1 is greatly increased, so that more heat absorption areas are increased compared with the single inner cylinder of the common water jacket type, the heat exchange efficiency is higher, and the steam production rate is improved.
In order to further understand the technical scheme of the present invention, the working principle of the split-cavity water chamber jacket type ascending pipe heat exchanger of the present invention is now further explained with reference to fig. 1 to 2.
When the device works, raw gas enters the inner barrel 1 of the ascending pipe from the bottom of the ascending pipe heat exchanger, flows upwards along the inner barrel 1 of the ascending pipe, medium water enters the water inlet oral cavity 12 in the lower ring seal 6 through the water inlet 8, the water inlet oral cavity 12 guides the medium water to the cavity dividing jacket 2, the medium water flows upwards along the outer wall of the inner barrel 1 through the vertical water chamber channels 2-3, the raw gas transfers heat to the inner barrel 1, the inner barrel 1 transfers the heat to the medium water in the cavity dividing jacket 2, so that high-temperature and high-pressure saturated water and saturated steam are generated, a steam-water mixture enters the steam-water outlet cavity 11 in the upper ring seal 5 under the action of a forced circulation pump, and the steam-water mixture after heat exchange is conveyed to an external pipeline through a steam-water outlet.
The cavity-dividing water chamber jacket type ascending tube heat exchanger can be completely used for producing medium-pressure saturated steam and superheated steam with the temperature higher than 300 ℃, and the heat exchange efficiency is improved; the heat exchanger has good diversion effect and more uniform water distribution, and can greatly reduce the phenomenon of local dry burning; the heat exchange area is increased, and the heat exchange efficiency is higher.
The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a chambered water chamber jacket formula tedge heat exchanger, includes inner tube (1) and urceolus (4), inner tube (1) and urceolus (4) be hollow section of thick bamboo, urceolus (4) cover establish the outside at inner tube (1), its characterized in that: the cavity dividing jacket is characterized by further comprising a cavity dividing jacket (2), the cavity dividing jacket (2) is arranged between the inner barrel (1) and the outer barrel (4) in a surrounding mode, the cavity dividing jacket (2) is formed by a plurality of vertical water chamber channels (2-3) formed by dividing a plurality of jacket partition plates (2-1) on the outer wall of the inner barrel (1), each group of jacket partition plates (2-1) are in a shape of 'cutting paper', the jacket partition plates (2-1) are welded on the outer wall of the inner barrel (1) in a forming mode, a steam water outlet cavity (11) is arranged at the upper end of the cavity dividing jacket (2) in a surrounding mode, a water inlet cavity (12) is arranged at the lower end of the cavity dividing jacket (2) in a surrounding mode, the vertical water chamber channels (2-3) of each group are respectively communicated with the steam water outlet cavity (11) and the water inlet cavity (12), and a steam water outlet (7) is arranged at one end of the steam water outlet cavity (11), one end of the water inlet oral cavity (12) is provided with a water inlet (8).
2. The jacketed riser heat exchanger with a partitioned water chamber according to claim 1, wherein: the inner wall of the inner cylinder (1) is provided with a nano coating (1-1) which is resistant to high temperature and impact of crude gas flow.
3. The jacketed riser heat exchanger with a partitioned water chamber according to claim 2, wherein: the outer cylinder (4) is made of stainless steel materials.
4. The jacketed riser heat exchanger with a partitioned water chamber according to claim 1, wherein: the outer wall of the jacket clapboard (2-1) is provided with a nanometer heat insulating material (2-2).
5. The jacketed riser heat exchanger with a partitioned water chamber according to claim 4, wherein: and a heat insulation material (3) is also filled between the jacket partition plate (2-1) and the outer cylinder (4).
6. The jacketed riser heat exchanger with a partitioned water chamber according to claim 1, wherein: the steam-water outlet cavity (11) is composed of an upper ring seal (5) welded on the upper part of the inner cylinder (1) and the upper part of the jacket clapboard (2-1), and the water inlet cavity (12) is composed of a lower ring seal (6) welded on the lower part of the inner cylinder (1) and the lower part of the jacket clapboard (2-1).
7. The jacketed riser heat exchanger with a partitioned water chamber according to claim 6, wherein: an upper flange (9) is installed at the top of the outer barrel (4), and a lower flange (10) is arranged at the bottom of the outer barrel (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120443543.6U CN214582646U (en) | 2021-03-02 | 2021-03-02 | Split-cavity water chamber jacket type ascending pipe heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120443543.6U CN214582646U (en) | 2021-03-02 | 2021-03-02 | Split-cavity water chamber jacket type ascending pipe heat exchanger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011100A (en) * | 2021-12-03 | 2022-02-08 | 扬州大学 | Two-phase combined heating jacket for scraper film evaporator and manufacturing method |
| CN114111422A (en) * | 2021-12-03 | 2022-03-01 | 中国航空工业集团公司金城南京机电液压工程研究中心 | End socket integrated heat exchange multi-flow heat exchanger |
-
2021
- 2021-03-02 CN CN202120443543.6U patent/CN214582646U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011100A (en) * | 2021-12-03 | 2022-02-08 | 扬州大学 | Two-phase combined heating jacket for scraper film evaporator and manufacturing method |
| CN114111422A (en) * | 2021-12-03 | 2022-03-01 | 中国航空工业集团公司金城南京机电液压工程研究中心 | End socket integrated heat exchange multi-flow heat exchanger |
| CN114011100B (en) * | 2021-12-03 | 2022-12-27 | 扬州大学 | Two-phase combined heating jacket for scraper film evaporator and manufacturing method |
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